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<FONT color="green">001</FONT>    package org.hackystat.utilities.time.interval;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.Iterator;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import javax.xml.datatype.XMLGregorianCalendar;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    import org.hackystat.utilities.time.period.Month;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    /**<a name="line.9"></a>
<FONT color="green">010</FONT>     * Provides month interval type.<a name="line.10"></a>
<FONT color="green">011</FONT>     * <a name="line.11"></a>
<FONT color="green">012</FONT>     * @author Hongbing Kou, Philip Johnson<a name="line.12"></a>
<FONT color="green">013</FONT>     */<a name="line.13"></a>
<FONT color="green">014</FONT>    public class MonthInterval extends Interval implements Iterable&lt;Month&gt; {<a name="line.14"></a>
<FONT color="green">015</FONT>      /** Start month. */<a name="line.15"></a>
<FONT color="green">016</FONT>      private Month startMonth;<a name="line.16"></a>
<FONT color="green">017</FONT>      /** End month. */<a name="line.17"></a>
<FONT color="green">018</FONT>      private Month endMonth;<a name="line.18"></a>
<FONT color="green">019</FONT>      <a name="line.19"></a>
<FONT color="green">020</FONT>      /**<a name="line.20"></a>
<FONT color="green">021</FONT>       * Creates a MonthInterval object with start month and end month.<a name="line.21"></a>
<FONT color="green">022</FONT>       * <a name="line.22"></a>
<FONT color="green">023</FONT>       * @param startYear Start year.  <a name="line.23"></a>
<FONT color="green">024</FONT>       * @param startMonth Start month.<a name="line.24"></a>
<FONT color="green">025</FONT>       * @param endYear End year.<a name="line.25"></a>
<FONT color="green">026</FONT>       * @param endMonth End month.<a name="line.26"></a>
<FONT color="green">027</FONT>       * <a name="line.27"></a>
<FONT color="green">028</FONT>       * @throws IllegalIntervalException If try to create an interval with invalid period.<a name="line.28"></a>
<FONT color="green">029</FONT>       */<a name="line.29"></a>
<FONT color="green">030</FONT>      public MonthInterval(String startYear, String startMonth, String endYear, String endMonth) <a name="line.30"></a>
<FONT color="green">031</FONT>         throws IllegalIntervalException {<a name="line.31"></a>
<FONT color="green">032</FONT>        super("Month");    <a name="line.32"></a>
<FONT color="green">033</FONT>        int year = Integer.parseInt(startYear);<a name="line.33"></a>
<FONT color="green">034</FONT>        int month = Integer.parseInt(startMonth);<a name="line.34"></a>
<FONT color="green">035</FONT>        this.startMonth = new Month(year, month);<a name="line.35"></a>
<FONT color="green">036</FONT>        <a name="line.36"></a>
<FONT color="green">037</FONT>        year = Integer.parseInt(endYear);<a name="line.37"></a>
<FONT color="green">038</FONT>        month = Integer.parseInt(endMonth);    <a name="line.38"></a>
<FONT color="green">039</FONT>        this.endMonth = new Month(year, month);   <a name="line.39"></a>
<FONT color="green">040</FONT>        <a name="line.40"></a>
<FONT color="green">041</FONT>        if (this.startMonth.compareTo(this.endMonth) &gt; 0) {<a name="line.41"></a>
<FONT color="green">042</FONT>          throw new IllegalIntervalException("Start month " + this.startMonth <a name="line.42"></a>
<FONT color="green">043</FONT>                                           + "  is later than end month " + this.endMonth);<a name="line.43"></a>
<FONT color="green">044</FONT>        }<a name="line.44"></a>
<FONT color="green">045</FONT>      }<a name="line.45"></a>
<FONT color="green">046</FONT>      <a name="line.46"></a>
<FONT color="green">047</FONT>      /**<a name="line.47"></a>
<FONT color="green">048</FONT>       * Creates a MonthInterval object with start month and end month.<a name="line.48"></a>
<FONT color="green">049</FONT>       * <a name="line.49"></a>
<FONT color="green">050</FONT>       * @param startMonth Start month.<a name="line.50"></a>
<FONT color="green">051</FONT>       * @param endMonth End month.<a name="line.51"></a>
<FONT color="green">052</FONT>       * <a name="line.52"></a>
<FONT color="green">053</FONT>       * @throws IllegalIntervalException If try to create an interval with invalid period.<a name="line.53"></a>
<FONT color="green">054</FONT>       */<a name="line.54"></a>
<FONT color="green">055</FONT>      public MonthInterval(XMLGregorianCalendar startMonth, XMLGregorianCalendar endMonth) <a name="line.55"></a>
<FONT color="green">056</FONT>         throws IllegalIntervalException {<a name="line.56"></a>
<FONT color="green">057</FONT>        super("Month");    <a name="line.57"></a>
<FONT color="green">058</FONT>        this.startMonth = new Month(startMonth);<a name="line.58"></a>
<FONT color="green">059</FONT>        this.endMonth = new Month(endMonth);   <a name="line.59"></a>
<FONT color="green">060</FONT>        <a name="line.60"></a>
<FONT color="green">061</FONT>        if (this.startMonth.compareTo(this.endMonth) &gt; 0) {<a name="line.61"></a>
<FONT color="green">062</FONT>          throw new IllegalIntervalException("Start month " + this.startMonth <a name="line.62"></a>
<FONT color="green">063</FONT>                                           + "  is later than end month " + this.endMonth);<a name="line.63"></a>
<FONT color="green">064</FONT>        }<a name="line.64"></a>
<FONT color="green">065</FONT>      }<a name="line.65"></a>
<FONT color="green">066</FONT>      <a name="line.66"></a>
<FONT color="green">067</FONT>      /**<a name="line.67"></a>
<FONT color="green">068</FONT>       * Gets start month.<a name="line.68"></a>
<FONT color="green">069</FONT>       * <a name="line.69"></a>
<FONT color="green">070</FONT>       * @return Start month.<a name="line.70"></a>
<FONT color="green">071</FONT>       */<a name="line.71"></a>
<FONT color="green">072</FONT>      public Month getStartMonth() {<a name="line.72"></a>
<FONT color="green">073</FONT>        return this.startMonth;<a name="line.73"></a>
<FONT color="green">074</FONT>      }<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>      /**<a name="line.76"></a>
<FONT color="green">077</FONT>       * Gets the end month.<a name="line.77"></a>
<FONT color="green">078</FONT>       * <a name="line.78"></a>
<FONT color="green">079</FONT>       * @return End month.<a name="line.79"></a>
<FONT color="green">080</FONT>       */<a name="line.80"></a>
<FONT color="green">081</FONT>      public Month getEndMonth() {<a name="line.81"></a>
<FONT color="green">082</FONT>        return this.endMonth;<a name="line.82"></a>
<FONT color="green">083</FONT>      }<a name="line.83"></a>
<FONT color="green">084</FONT>    <a name="line.84"></a>
<FONT color="green">085</FONT>      <a name="line.85"></a>
<FONT color="green">086</FONT>      /**<a name="line.86"></a>
<FONT color="green">087</FONT>       * String representation of the MonthInterval object.<a name="line.87"></a>
<FONT color="green">088</FONT>       * <a name="line.88"></a>
<FONT color="green">089</FONT>       * @return Month interval string  <a name="line.89"></a>
<FONT color="green">090</FONT>       */<a name="line.90"></a>
<FONT color="green">091</FONT>      @Override<a name="line.91"></a>
<FONT color="green">092</FONT>      public String toString() {<a name="line.92"></a>
<FONT color="green">093</FONT>        StringBuffer buffer = new StringBuffer(30);<a name="line.93"></a>
<FONT color="green">094</FONT>        buffer.append("Month Interval : ");<a name="line.94"></a>
<FONT color="green">095</FONT>        buffer.append(this.startMonth);<a name="line.95"></a>
<FONT color="green">096</FONT>        buffer.append(" ~ ");<a name="line.96"></a>
<FONT color="green">097</FONT>        buffer.append(this.endMonth);<a name="line.97"></a>
<FONT color="green">098</FONT>        <a name="line.98"></a>
<FONT color="green">099</FONT>        return buffer.toString();<a name="line.99"></a>
<FONT color="green">100</FONT>      }  <a name="line.100"></a>
<FONT color="green">101</FONT>      <a name="line.101"></a>
<FONT color="green">102</FONT>      /**<a name="line.102"></a>
<FONT color="green">103</FONT>       * Gets the iterator over the month interval.<a name="line.103"></a>
<FONT color="green">104</FONT>       * <a name="line.104"></a>
<FONT color="green">105</FONT>       * @return Iterator over month. <a name="line.105"></a>
<FONT color="green">106</FONT>       */<a name="line.106"></a>
<FONT color="green">107</FONT>      @Override<a name="line.107"></a>
<FONT color="green">108</FONT>      public Iterator&lt;Month&gt; iterator() {<a name="line.108"></a>
<FONT color="green">109</FONT>        return new MonthIterator(this);<a name="line.109"></a>
<FONT color="green">110</FONT>      }  <a name="line.110"></a>
<FONT color="green">111</FONT>      <a name="line.111"></a>
<FONT color="green">112</FONT>      /**<a name="line.112"></a>
<FONT color="green">113</FONT>       * Gets the hash code.<a name="line.113"></a>
<FONT color="green">114</FONT>       * <a name="line.114"></a>
<FONT color="green">115</FONT>       * @return The hash code.<a name="line.115"></a>
<FONT color="green">116</FONT>       */<a name="line.116"></a>
<FONT color="green">117</FONT>      @Override<a name="line.117"></a>
<FONT color="green">118</FONT>      public int hashCode() {<a name="line.118"></a>
<FONT color="green">119</FONT>        return this.startMonth.hashCode() / 2 + this.endMonth.hashCode() / 2;<a name="line.119"></a>
<FONT color="green">120</FONT>      }<a name="line.120"></a>
<FONT color="green">121</FONT>      <a name="line.121"></a>
<FONT color="green">122</FONT>      /**<a name="line.122"></a>
<FONT color="green">123</FONT>       * Indicates whether some other object is "equal to" this one. <a name="line.123"></a>
<FONT color="green">124</FONT>       * <a name="line.124"></a>
<FONT color="green">125</FONT>       * @param obj Another instance of &lt;code&gt;DayInterval&lt;/code&gt;.<a name="line.125"></a>
<FONT color="green">126</FONT>       * <a name="line.126"></a>
<FONT color="green">127</FONT>       * @return True if they are equal, false otherwise.<a name="line.127"></a>
<FONT color="green">128</FONT>       */<a name="line.128"></a>
<FONT color="green">129</FONT>      @Override<a name="line.129"></a>
<FONT color="green">130</FONT>      public boolean equals(Object obj) {<a name="line.130"></a>
<FONT color="green">131</FONT>        if (!(obj instanceof MonthInterval)) {<a name="line.131"></a>
<FONT color="green">132</FONT>          return false;<a name="line.132"></a>
<FONT color="green">133</FONT>        }    <a name="line.133"></a>
<FONT color="green">134</FONT>        MonthInterval another = (MonthInterval) obj;<a name="line.134"></a>
<FONT color="green">135</FONT>        return this.startMonth.equals(another.startMonth) &amp;&amp; this.endMonth.equals(another.endMonth);<a name="line.135"></a>
<FONT color="green">136</FONT>      }  <a name="line.136"></a>
<FONT color="green">137</FONT>    }<a name="line.137"></a>




























































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